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Pooled Variance for Two Samples with Equal n and Different SS

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One sample has n = 8 and SS = 21 and a second sample has n = 8 and SS = 35. What is the pooled variance for the two samples? a.56/16 b.56/14. c.28 d.56 Solution One sample has n = 8 and SS = 21 and a second sample has n = 8 and SS = 35. What is the pooled variance for the two samples N1S1^2 + N2S2^2 /N1 +N2-2 = 8 X21^2 + 8 X35^2 / 16-2= ? a. 56/16 b. 56/14. c. 28 d. 56.

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One sample has n = 8 and SS = 21 and a second sample has n = 8 and SS = 35. What is the pooled variance for the two samples? a.56/16 b.56/14. c.28 d.56 Solution One sample has n = 8 and SS = 21 and a second sample has n = 8 and SS = 35. What is the pooled variance for the two samples N1S1^2 + N2S2^2 /N1 +N2-2 = 8 X21^2 + 8 X35^2 / 16-2= ? a. 56/16 b. 56/14. c. 28 d. 56

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Pooled Variance for Two Samples with Equal n and Different SS

  • 1. One sample has n = 8 and SS = 21 and a second sample has n = 8 and SS = 35. What is the pooled variance for the two samples? a.56/16 b.56/14. c.28 d.56 Solution One sample has n = 8 and SS = 21 and a second sample has n = 8 and SS = 35. What is the pooled variance for the two samples N1S1^2 + N2S2^2 /N1 +N2-2 = 8 X21^2 + 8 X35^2 / 16-2= ? a. 56/16 b. 56/14. c. 28 d. 56